List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=270
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=271",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=269",
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            "name": "shadowtrance's mini-tournament",
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            },
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                "id": 78,
                "name": "OGS Mini Tournaments",
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            "ended": "2011-02-19T20:23:32Z",
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            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
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        },
        {
            "id": 125663,
            "name": "Chill and basic Go tournament III",
            "director": {
                "id": 665775,
                "username": "Behanix",
                "country": "no",
                "icon": "https://secure.gravatar.com/avatar/9f264bcdd3cdee8a4d5c71013aaf4d57?s=64&d=retro",
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                },
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            },
            "description": "A basic Go tournament for beginners and DDKs.\n\nHave fun and try to learn as much as possible.\n\nYou should check in once a day since the max time is 3 days, and time increment is 1 day.\n\nHandicap is enabled so everyone has a chance to win 🔥\n\nGood luck 🤞",
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            "title": null,
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            },
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                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
                "require_invitation": false,
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            },
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            "ended": "2026-04-17T02:32:10.250307Z",
            "start_waiting": "2025-03-21T13:00:17.294455Z",
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            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
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        },
        {
            "id": 84614,
            "name": "9x9 Mini League 10k-25k #11",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
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                },
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                "ui_class": ""
            },
            "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
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            "title": null,
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            "handicap": 0,
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            },
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                "id": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
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                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
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            "time_start": "2022-01-16T21:00:00Z",
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            "ended": "2022-02-13T12:45:34.161479Z",
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        },
        {
            "id": 84031,
            "name": "9x9 Mini League 10k-25k #6",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
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                "ui_class": ""
            },
            "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10752",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
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                "time_control": "fischer",
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                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
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            "exclude_provisional": true,
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                "id": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
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                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-12-26T21:05:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
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            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-12-25T20:57:36.614424Z",
            "ended": "2022-01-23T14:33:34.375068Z",
            "start_waiting": "2021-12-25T20:57:36.370348Z",
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            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 83799,
            "name": "Eリーグ(入門・ビギナー 13路盤)",
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                "id": 874208,
                "username": "FUKO.S",
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            },
            "description": "リーグ開始時に参加されているメンバーでの総あたり戦になります。(レーティングによる自動ハンデ付き)\n\n全部のゲームが一斉に始まりますので、自分の手番になっている対局はどんどん着手していきましょう。",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
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                "time_control": "absolute",
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            "exclude_provisional": false,
            "group": {
                "id": 7692,
                "name": "Yushima Go Cafe (湯島囲碁喫茶)",
                "summary": "This is a group exclusively for guests of Yushima Go Cafe and members of the Online Go Salon.\n湯島囲碁喫茶のゲスト&オンライン囲碁サロンメンバー専用のグループです。",
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                "hide_details": false,
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            "time_start": "2021-12-23T11:00:00Z",
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            "analysis_enabled": true,
            "exclusivity": "group",
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            "ended": "2022-01-25T19:01:44.753680Z",
            "start_waiting": "2021-12-23T11:00:46.718043Z",
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            "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png",
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        {
            "id": 54366,
            "name": "UOGC DDK 19x19 Championship 2020",
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                "id": 87790,
                "username": "WiseBear",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/87e96797186d0c4042434c29195d8f12-64.png",
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                "ui_class": ""
            },
            "description": "UOGS DDK Championship Tournament on 19x19 Board",
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            "title": null,
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            "time_per_move": 87840,
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                "max_time": 259200
            },
            "is_open": true,
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            "group": {
                "id": 4121,
                "name": "Universal Online Go Club",
                "summary": "No longer operated.",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 149,
                "icon": "https://user-uploads.online-go.com/cc6e6be864d8216b119aa1f58db5a937-64.png"
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            "auto_start_on_max": true,
            "time_start": "2020-03-01T12:30:00Z",
            "players_start": 8,
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            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-03-01T12:30:16.418538Z",
            "ended": "2021-08-03T03:46:36.889144Z",
            "start_waiting": "2020-03-01T12:30:13.742079Z",
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            "icon": "https://user-uploads.online-go.com/cc6e6be864d8216b119aa1f58db5a937-15.png",
            "player_count": 43,
            "ranked": true
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        {
            "id": 123404,
            "name": "⓭13x13 DDK 1st 13x13 Tournament :)⓭",
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                "id": 1284,
                "username": "g0blin",
                "country": "rs",
                "icon": "https://user-uploads.online-go.com/352cd49ea31be2f00577375db7e23581-64.png",
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            "description": "Pretty fast 13x13 correspondence for DDKs with 2d +12h/move to max of 2 days with no 'pause on weekends'\n\nWishing GGs to all!",
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                "time_increment": 43200,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 14884,
                "name": "13x13 ⑬Lovers⓭",
                "summary": "A group for people who love to play 13x13 board size Go! :)",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 14,
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            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-12-25T10:00:56.037048Z",
            "ended": "2025-01-29T02:23:45.687478Z",
            "start_waiting": "2024-12-25T10:00:55.713345Z",
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            "icon": "https://user-uploads.online-go.com/780843c2cbaefc1cdd2b7f01a57dabc3-15.png",
            "player_count": 8,
            "ranked": true
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        {
            "id": 131149,
            "name": "Let's GO for DDK",
            "director": {
                "id": 1649997,
                "username": "jjaassoonn",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/0c10713785bc1c0f1af706a90b6a6e51?s=64&d=retro",
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                "ranking": 12.816117777362814,
                "professional": false,
                "ui_class": ""
            },
            "description": "Let's go",
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                "time_control": "fischer",
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                "time_increment": 21600,
                "initial_time": 86400,
                "max_time": 259200
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            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 15337,
                "name": "Camden Go",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2025-08-15T03:00:00Z",
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            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
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            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
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            "ended": null,
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            "active_round": 7,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 20,
            "ranked": true
        },
        {
            "id": 41925,
            "name": "Random 10-25k Open Tournament",
            "director": {
                "id": 521667,
                "username": "YewWoodn't",
                "country": "ca",
                "icon": "https://secure.gravatar.com/avatar/36c9f406132cb419252619d59b3d7a52?s=64&d=retro",
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                "ui_class": ""
            },
            "description": "This is a tournament for everybody 10k+.\n\nRules: \n1. Have fun!\n2. No cheating.\n3. You’re rating must never have been 4k+ \n4. You may only join at 10k+, and you will be kicked out if your rating is 7k or higher when the tournament starts.",
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            "title": null,
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            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
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                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2991,
                "name": "Random Tournament Group",
                "summary": "A group that I use to make my tournaments with.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2018-10-27T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2018-10-26T02:55:58.625852Z",
            "ended": "2019-06-08T15:15:39.797914Z",
            "start_waiting": "2018-10-26T02:55:56.871801Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 32,
            "ranked": true
        },
        {
            "id": 85636,
            "name": "9x9 Mini League 10k-25k #17",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
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}